Braking unit



FIG. 1 is a bottom right perspective view of a braking unit showing our new design;

FIG. 2 is a bottom left perspective view thereof;

FIG. 3 is a front elevational view of thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left elevational view thereof;

FIG. 6 is a right elevational view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof. 

CLAIM The ornamental design for a braking unit, as shown and described. 